Home / 2,982,376.90-4,473,230.30-823,709.05

Finding the Fourth Proportional to 2,982,376.90, 4,473,230.30 and 823,709.05

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Solution

The fourth proportional to 2,982,376.90, 4,473,230.30 and 823,709.05 is: 1,235,471.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982,376.90 : 4,473,230.30 = 823,709.05 : x
  2. Step 2: Convert to fraction form
    2,982,376.90/4,473,230.30 = 823,709.05/x
  3. Step 3: Cross multiply
    2,982,376.90x = 4,473,230.30 × 823,709.05
  4. Step 4: Simplify right side
    2,982,376.90x = 3,684,640,268,631.50
  5. Step 5: Solve for x
    x = 3,684,640,268,631.50/2,982,376.90
  6. Step 6: Final answer
    x = 1,235,471.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.